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- /**
- ******************************************************************************
- * File Name : main.c
- * Description : Main program body
- ******************************************************************************
- *
- * COPYRIGHT(c) 2017 STMicroelectronics
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "main.h"
- #include "stm32f4xx_hal.h"
- #include "i2c.h"
- #include "gpio.h"
- /* USER CODE BEGIN Includes */
- #include "lcd.h"
- #include "string.h"
- /* USER CODE END Includes */
- /* Private variables ---------------------------------------------------------*/
- /* USER CODE BEGIN PV */
- /* Private variables ---------------------------------------------------------*/
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- void Error_Handler(void);
- /* USER CODE BEGIN PFP */
- /* Private function prototypes -----------------------------------------------*/
- /* USER CODE END PFP */
- /* USER CODE BEGIN 0 */
- uint8_t EEPROM_DEVICE_ADDRESS = 0b10100000;
- uint8_t * str = "Hello, TechMaker!";
- uint8_t buf[200] = "";
- uint8_t a = 25;
- uint8_t * b;
- /* USER CODE END 0 */
- int main(void)
- {
- /* USER CODE BEGIN 1 */
- /* USER CODE END 1 */
- /* MCU Configuration----------------------------------------------------------*/
- /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
- HAL_Init();
- /* Configure the system clock */
- SystemClock_Config();
- /* Initialize all configured peripherals */
- MX_GPIO_Init();
- MX_I2C1_Init();
- /* USER CODE BEGIN 2 */
- LCD_Init();
- HAL_I2C_Mem_Write(&hi2c1, EEPROM_DEVICE_ADDRESS, 0x0000, I2C_MEMADD_SIZE_16BIT, str, strlen(str)+1, 100);
- while (HAL_I2C_IsDeviceReady(&hi2c1, EEPROM_DEVICE_ADDRESS, 100, 1000) != HAL_OK){
- ;
- }
- HAL_I2C_Mem_Read(&hi2c1, EEPROM_DEVICE_ADDRESS, 0x0000, I2C_MEMADD_SIZE_16BIT, (uint8_t *)buf, strlen(str)+1, 1000);
- LCD_Printf("%s\n", buf);
- b = &a;
- HAL_I2C_Mem_Write(&hi2c1, EEPROM_DEVICE_ADDRESS, 0x1111, I2C_MEMADD_SIZE_16BIT, *b, strlen(*b)+1, 100);
- while (HAL_I2C_IsDeviceReady(&hi2c1, EEPROM_DEVICE_ADDRESS, 100, 1000) != HAL_OK){
- ;
- }
- HAL_I2C_Mem_Read(&hi2c1, EEPROM_DEVICE_ADDRESS, 0x1111, I2C_MEMADD_SIZE_16BIT, (uint8_t *)buf, strlen(*b)+1, 1000);
- LCD_Printf("%s\n", buf);
- /* USER CODE END 2 */
- /* Infinite loop */
- /* USER CODE BEGIN WHILE */
- while (1)
- {
- /* USER CODE END WHILE */
- /* USER CODE BEGIN 3 */
- }
- /* USER CODE END 3 */
- }
- /** System Clock Configuration
- */
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct;
- RCC_ClkInitTypeDef RCC_ClkInitStruct;
- /**Configure the main internal regulator output voltage
- */
- __HAL_RCC_PWR_CLK_ENABLE();
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
- /**Initializes the CPU, AHB and APB busses clocks
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
- RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
- RCC_OscInitStruct.PLL.PLLM = 4;
- RCC_OscInitStruct.PLL.PLLN = 180;
- RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
- RCC_OscInitStruct.PLL.PLLQ = 2;
- RCC_OscInitStruct.PLL.PLLR = 2;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- /**Activate the Over-Drive mode
- */
- if (HAL_PWREx_EnableOverDrive() != HAL_OK)
- {
- Error_Handler();
- }
- /**Initializes the CPU, AHB and APB busses clocks
- */
- RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
- |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
- {
- Error_Handler();
- }
- /**Configure the Systick interrupt time
- */
- HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
- /**Configure the Systick
- */
- HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
- /* SysTick_IRQn interrupt configuration */
- HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
- }
- /* USER CODE BEGIN 4 */
- /* USER CODE END 4 */
- /**
- * @brief This function is executed in case of error occurrence.
- * @param None
- * @retval None
- */
- void Error_Handler(void)
- {
- /* USER CODE BEGIN Error_Handler */
- /* User can add his own implementation to report the HAL error return state */
- while(1)
- {
- }
- /* USER CODE END Error_Handler */
- }
- #ifdef USE_FULL_ASSERT
- /**
- * @brief Reports the name of the source file and the source line number
- * where the assert_param error has occurred.
- * @param file: pointer to the source file name
- * @param line: assert_param error line source number
- * @retval None
- */
- void assert_failed(uint8_t* file, uint32_t line)
- {
- /* USER CODE BEGIN 6 */
- /* User can add his own implementation to report the file name and line number,
- ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- /* USER CODE END 6 */
- }
- #endif
- /**
- * @}
- */
- /**
- * @}
- */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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